RE/MAX Advantage Realty, part of an international real estate sales organization, was founded in Columbia, Maryland in 1988.

In 1992, Alex Karavasilis and Leslie Rock acquired the firm, bringing to it vast experience and expertise in local real estate. RE/MAX Advantage Realty, which began with just a handful of agents, has consistently doubled the size of the organization every year to a professional and dedicated sales force of more than 300 associates to date. Along with partners John Wuestman, Rick Cantore, and Donna Arndt, they oversee six offices that are progressive, efficient, organized and customer oriented. RE/MAX Advantage Realty is headquartered in Columbia, Maryland, with offices in Baltimore, Eldersburg, Fulton, Ocean City, and Westminster.

The quality standards and services extend further with a coordinated emphasis on referral business, relocations, specializations, and marketing standards that exceed the industry norm to provide "Above the Crowd"â€‹ performance to clients, customers and associates.